[Manan] ADD:Replacing a word with another word in a sentence

Author: mananguptamg

ReplaceWord.java

@@ -0,0 +1,38 @@
+import java.util.Scanner;
+
+class ReplaceWord {
+    // Main Method
+    public static void main(String[] args) {
+        Scanner input = new Scanner(System.in);
+
+        System.out.print("Enter a string: ");
+        String str = input.nextLine();
+
+        System.out.print("Enter a word to replace: ");
+        String wordToReplace = input.next();
+
+        System.out.print("Enter a word to replace with: ");
+        String wordToReplaceWith = input.next();
+
+        // Method to replace a given word in string with another word
+        String result = replaceWord(str, wordToReplace, wordToReplaceWith);
+
+        System.out.println("String after replacing word: " + result);
+
+        input.close();
+    }
+
+    // Method to replace a given word in string with another word
+    public static String replaceWord(String str, String wordToReplace, String wordToReplaceWith) {
+        String[] words = str.split(" ");
+        String result = "";
+        for (String word : words) {
+            if (word.equals(wordToReplace)) {
+                result += wordToReplaceWith + " ";
+            } else {
+                result += word + " ";
+            }
+        }
+        return result;
+    }
+}